Electrical extension cord with on/off switch



FIG. is a front elevational view of the electrical extension cord with on/off switch showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The cord is shown broken away to indicate an indeterminate length. 

The ornamental design for an electrical extension cord with on/off switch, as shown and described. 